Effective speaking

Geahča maid

• Effective speaking
  Dahkki: Carpio, Rustica C., et al.
  Almmustuhtton: (1981)
• Effective speaking
  Dahkki: Carpio, Rustica C., et al.
  Almmustuhtton: (1981)
• Private and public speaking
  Dahkki: Carpio, Rustica C.
  Almmustuhtton: (2003)
• The challenge of effective speaking.
  Dahkki: Verderber, Rudolph F.
  Almmustuhtton: (1985)
• The challenge of effective speaking
  Dahkki: Verderber, Rudolph F.
  Almmustuhtton: (2006)